fix: handle race condition when initializing backends with dependencies

[jdx]

No description provided.

[github-actions]

Package	Line Rate	Complexity	Health
src	87%	0	✔
src.cli	84%	0	✔
src.cli.alias	90%	0	✔
src.cli.args	96%	0	✔
src.cli.backends	95%	0	✔
src.cli.cache	95%	0	✔
src.cli.config	93%	0	✔
src.cli.direnv	80%	0	✔
src.cli.plugins	87%	0	✔
src.cli.settings	93%	0	✔
src.cli.sync	29%	0	❌
src.cli.tasks	68%	0	➖
src.config.config_file	91%	0	✔
src.config	88%	0	✔
src.forge	49%	0	❌
src.plugins.core	55%	0	➖
src.plugins	88%	0	✔
src.shell	98%	0	✔
src.toolset	88%	0	✔
src.ui	77%	0	✔
Summary	81% (13736 / 16856)	0	✔

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.15%	✅ 66.99%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (b1da35f)	16870	13722	81.34%
Head commit (08b7862)	16856 (-14)	13736 (+14)	81.49% (+0.15%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#2071)	103	69	66.99%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

See your quality gate settings    Change summary preferences

_{Codacy will stop sending the deprecated coverage status from June 5th, 2024. Learn more}