fix regexp on file filters

Author: llaville

Diff for: .mega-linter.yml

@@ -10,12 +10,12 @@ DISABLE_LINTERS:
     - MARKDOWN_MARKDOWN_TABLE_FORMATTER
     - PHP_PSALM
     - YAML_V8R
-EDITORCONFIG_EDITORCONFIG_CHECKER_FILTER_REGEX_EXCLUDE: "(.idea|.editorconfig|.github|.phpunit.result.cache|LICENSE)"
+EDITORCONFIG_EDITORCONFIG_CHECKER_FILTER_REGEX_EXCLUDE: "(\\.idea|\\.editorconfig|\\.github|\\.phpunit\\.result\\.cache|LICENSE)"
 JSON_PRETTIER_FILTER_REGEX_EXCLUDE: "(composer.json)"
-MARKDOWN_MARKDOWNLINT_FILTER_REGEX_EXCLUDE: "(.github)"
-MARKDOWN_MARKDOWN_LINK_CHECK_FILTER_REGEX_EXCLUDE: "(.github)"
+MARKDOWN_MARKDOWNLINT_FILTER_REGEX_EXCLUDE: "(\\.github)"
+MARKDOWN_MARKDOWN_LINK_CHECK_FILTER_REGEX_EXCLUDE: "(\\.github)"
 PHP_PHPCS_CONFIG_FILE: ".phpcs.xml.dist"
 PHP_PHPCS_ARGUMENTS: "-n"
 PHP_PHPSTAN_CONFIG_FILE: "phpstan.neon.dist"
-YAML_YAMLLINT_FILTER_REGEX_EXCLUDE: "(.github)"
-YAML_PRETTIER_FILTER_REGEX_EXCLUDE: "(.github)"
+YAML_YAMLLINT_FILTER_REGEX_EXCLUDE: "(\\.github)"
+YAML_PRETTIER_FILTER_REGEX_EXCLUDE: "(\\.github)"