minor #245 Unused files in distribution not ignored for export in gitignore (savinmikhail)

This PR was merged into the 2.x branch.

Discussion
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Unused files in distribution not ignored for export in gitignore

Linked issue is #244 (comment)

Commits
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abd2f37 fix(git): fix export-ignore directives

Author: Kocal

.gitattributes

@@ -7,5 +7,6 @@
 /.php-cs-fixer.dist.php export-ignore
 /phpstan.neon.dist export-ignore
 /phpstan-baseline.neon export-ignore
-/psalm.baseline.xml export-ignore
+/psalm-baseline.xml export-ignore
 /psalm.xml export-ignore
+/.editorconfig export-ignore