test(groupware): add testcontainers based jmap test

* adds pkg/jmap/jmap_integration_test.go

 * uses ghcr.io/stalwartlabs/stalwart:v0.13.2-alpine

 * can be disabled by setting one of the following environment
   variables, in the same fashion as ca0493b28
   - CI=woodpecker
   - CI_SYSTEM_NAME=woodpecker
   - USE_TESTCONTAINERS=false

 * dependencies:
   - bump github.com/go-test/deep from 1.1.0 to 1.1.1
   - add github.com/cention-sany/utf7
   - add github.com/dustinkirkland/golang-petname
   - add github.com/emersion/go-imap/v2
   - add github.com/emersion/go-message
   - add github.com/emersion/go-sasl
   - add github.com/go-crypt/crypt
   - add github.com/go-crypt/x
   - add github.com/gogs/chardet
   - add github.com/inbucket/html2text
   - add github.com/jhilleryerd/enmime/v2
   - add github.com/ssor/bom
   - add gopkg.in/loremipsum.v1

vendor/github.com/go-crypt/crypt/internal/encoding/base64adapted.go

@@ -0,0 +1,14 @@
+package encoding
+
+import (
+	"encoding/base64"
+)
+
+const (
+	encodeBase64Adapted = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789./"
+)
+
+var (
+	// Base64RawAdaptedEncoding is the adapted encoding for crypt purposes without padding.
+	Base64RawAdaptedEncoding = base64.NewEncoding(encodeBase64Adapted).WithPadding(base64.NoPadding)
+)

vendor/github.com/go-crypt/crypt/internal/encoding/const.go

@@ -0,0 +1,9 @@
+package encoding
+
+const (
+	// Delimiter rune for all encodings.
+	Delimiter = rune('$')
+
+	// DelimiterStr is the string variation of Delimiter.
+	DelimiterStr = string(Delimiter)
+)

vendor/github.com/go-crypt/crypt/internal/encoding/digest.go

@@ -0,0 +1,10 @@
+package encoding
+
+import (
+	"strings"
+)
+
+// Split an encoded digest by the encoding.Delimiter.
+func Split(encodedDigest string, n int) (parts []string) {
+	return strings.SplitN(encodedDigest, DelimiterStr, n)
+}

vendor/github.com/go-crypt/crypt/internal/encoding/doc.go

@@ -0,0 +1,2 @@
+// Package encoding is an internal encoding helper package.
+package encoding

vendor/github.com/go-crypt/crypt/internal/encoding/parameters.go

@@ -0,0 +1,54 @@
+package encoding
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// Parameter is a key value pair.
+type Parameter struct {
+	Key   string
+	Value string
+}
+
+// Int converts the Value to an int using strconv.Atoi.
+func (p Parameter) Int() (int, error) {
+	return strconv.Atoi(p.Value)
+}
+
+const (
+	// ParameterDefaultItemSeparator is the default item separator.
+	ParameterDefaultItemSeparator = ","
+
+	// ParameterDefaultKeyValueSeparator is the default key value separator.
+	ParameterDefaultKeyValueSeparator = "="
+)
+
+// DecodeParameterStr is an alias for DecodeParameterStrAdvanced using item separator and key value separator
+// of ',' and '=' respectively.
+func DecodeParameterStr(input string) (opts []Parameter, err error) {
+	return DecodeParameterStrAdvanced(input, ParameterDefaultItemSeparator, ParameterDefaultKeyValueSeparator)
+}
+
+// DecodeParameterStrAdvanced decodes parameter strings into a []Parameter where sepItem separates each parameter, and sepKV separates the key and value.
+func DecodeParameterStrAdvanced(input string, sepItem, sepKV string) (opts []Parameter, err error) {
+	if input == "" {
+		return nil, fmt.Errorf("empty strings can't be decoded to parameters")
+	}
+
+	o := strings.Split(input, sepItem)
+
+	opts = make([]Parameter, len(o))
+
+	for i, joined := range o {
+		kv := strings.SplitN(joined, sepKV, 2)
+		if len(kv) != 2 {
+			return nil, fmt.Errorf("parameter pair '%s' is not properly encoded: does not contain kv separator '%s'", joined, sepKV)
+		}
+
+		opts[i] = Parameter{Key: kv[0], Value: kv[1]}
+	}
+
+	return opts, nil
+}