minor #15910 Add the replace rules for the security-guard component (stof)

This PR was merged into the 2.8 branch.

Discussion
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Add the replace rules for the security-guard component

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

The update of composer replacements was forgotten in #14673

Commits
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5ef8abc Add the replace rules for the security-guard component

composer.json

@@ -54,6 +54,7 @@
         "symfony/security": "self.version",
         "symfony/security-core": "self.version",
         "symfony/security-csrf": "self.version",
+        "symfony/security-guard": "self.version",
         "symfony/security-http": "self.version",
         "symfony/security-bundle": "self.version",
         "symfony/serializer": "self.version",

src/Symfony/Component/Security/composer.json

@@ -25,6 +25,7 @@
     "replace": {
         "symfony/security-core": "self.version",
         "symfony/security-csrf": "self.version",
+        "symfony/security-guard": "self.version",
         "symfony/security-http": "self.version"
     },
     "require-dev": {