build(deps): update gevent requirement from <26,>=22.10.2 to >=22.10.2,<27 (#103)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/testing.txt

@@ -2,5 +2,5 @@
 pytest>=6.2.5,<9
 pytest-cov>=3,<8
 Flask>=2.0.3,<4 
-gevent>=22.10.2,<26
+gevent>=22.10.2,<27
 gevent-websocket>=0.10.1,<1