This strengthens credential handling after our signing keys may have
been leaked in the [codecov.io breach](https://about.codecov.io/security-update/)
* pass only minimal credentials to each build step to avoid
exposing sensitive tokens to tools that don't need them
(like code coverage)
* removed encrypted credential files and replaced with environment-based
* allow full ci/cd including publishing artifacts from forks
* regenerated all passwords, tokens and service accounts
* do not install Google Cloud SDK on GHA - it's already there
* moved RPM signing to 'Stage And Publish Artifacts' phase
* generated new GPG signing key
See https://kopia.discourse.group/t/important-impact-of-codecov-io-security-issue-on-kopia-build-pipeline/377
* content: fixed data race in IterateUnreferencedBlobs
* upload: fixed data race between uploader and estimator
* testing: fixed data race in repo/blob/logging test
* makefile: run tests on CI/linux/amd64 with -race
* robustness: fixed test race
* content: fixed data race getContentDataUnlocked that triggers TestParallelWrites - looks scary but in practice very hard to trigger in real life and does not cause data corruption
* testing: reduce test complexity under race detector
* server: fixed minor race in refreshStatus()
* testing: reduced depth of sharedTestDataDir2
* ci: run race detector in separate job
* ci: run unit test race detector in parallel to integration tests
* added framework for unit testing against remote real rclone remotes,
added google drive backend
* added parallelism to blobtesting which revealed some races during
PutBlob with WebDAV.
* Makefile: refactoring
- added signing of windows exe in a zip package
- removed Windows build from goreleaser
- removed homebrew from goreleaser
- enabled incremental builds
* ci: publish scoop package
* ci: publish additional binaries as artifacts
* ci: install {htmlui,app}/node_modules as part of ci-setup
* ci: added retry to improve robustness of builds
* ci: continue-on-error for non-pull-requests
* ci: moved publish-packages to Stage And Publish Artifacts phase
- stop publishing to github directly from goreleaser and electron builder
- upload dist/ as artifact at the end of each build
- stage release in a separate directory, generated checksum, GPG sign and publish
- removed spaces from Windows setup exe
* ci: refactored CI/CD logic & Makefile
- removed all travis CI emulation environment variables and replaced with:
CI_TAG=<empty>|tag
IS_PULL_REQUEST=false|true
- refactored all OS and architecture-specific decisions to use around standard GOOS/GOARCH values instead of uname/OS
- re-added self-hosted runner for ARMHF (3 replicas)
- added brand new self-hosted runner for ARM64 (3 replicas)
- disabled attempts to publish and sign on forks
- improved integration test log output to better see timings and sub-tests
- print longest tests (unit tests and integration) after each run
- verified that all configurations build successfully on a clone (jkowalski/kopia)
- run make setup in parallel
* testing: fixed tests on ARM and ARM64
- fixed ARM-specific alignment issue
- cleaned up test logging
- fixed huge params warning threshold because it was tripping on ARM.
- reduced test complexity to make them fit in 15 minutes
* lint: upgraded to 1.36 which fixes flakes
* ci: removed separate lint action - normal lint is fast enough and less flaky
* ci: also deleted linter_version_test.go