Chore: Disable CGo in tests (#108764)

* make cgo optional for sqlite

* update go.mod; check error code differently

* reduce api surface even more

* move test errors into sqlite package

* CGO_ENABLED=0 in unit tests

* disable for enterprise, too

* add driver name constant

* remove unused constants

* make test an integration one

* try integration tests without cgo

* implement error codes for modernc sqlite driver

* typo fix

* missing return

* use error pointer as an interface

* alias the driver

* update workspace, check for test errors too

* check error properly

* add missing driver after rebase

* fix missing import after rebase

* debugging, lets try again

* properly parse options, revert many previous changes

* remove another log

* better url parsing

* revert test rename, leave it for later

* revert reusedSession in unistore

* revert more code

* remove driver name

* revert formatting

* add integration test without cgo for sqlite

* remove tracing and logging

* bring driver alias back

* fix type

* wrong package

.github/workflows/backend-unit-tests.yml

@@ -68,7 +68,7 @@ jobs:
         run: |
           set -euo pipefail
           readarray -t PACKAGES <<< "$(./scripts/ci/backend-tests/shard.sh -N"$SHARD")"
-          go test -short -timeout=30m "${PACKAGES[@]}"
+          CGO_ENABLED=0 go test -short -timeout=30m "${PACKAGES[@]}"
 
   grafana-enterprise:
     # Run this workflow for non-PR events (like pushes to `main` or `release-*`) OR for internal PRs (PRs not from forks)
@@ -118,7 +118,7 @@ jobs:
           readarray -t PACKAGES <<< "$(./scripts/ci/backend-tests/shard.sh -N"$SHARD")"
           # This tee requires pipefail to be set, otherwise `go test`'s exit code is thrown away.
           # That means having no `-o pipefail` => failing tests => exit code 0, which is wrong.
-          go test -short -timeout=30m "${PACKAGES[@]}"
+          CGO_ENABLED=0 go test -short -timeout=30m "${PACKAGES[@]}"
 
   # This is the job that is actually required by rulesets.
   # We need to require EITHER the OSS or the Enterprise job to pass.