Also added tests to cover number parser BC

…lue (mcg-web)

This PR was merged into the 2.7 branch.

Discussion
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[ExpressionLanguage] Fixed PhpDoc type-hints on Token value

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | none
| License       | MIT
| Doc PR        | none

Fixed PhpDoc type-hints on Token value and added test to prevent BC with Parser when treating numbers (example `a === 123` compile as `$a === "123"`)

Commits
-------

18f0fc5 [ExpressionLanguage] Fix PhpDoc type-hints on Token value

This PR was merged into the 2.7 branch.

Discussion
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[Console] Fix traversable autocomplete values

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #... <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!--highly recommended for new features-->

`Question::setAutocompleterValues` implies passing a `\Traversable` value is allowed, yet it doesnt work :) It also restricts the traversable to be countable, which is not really needed (blocking pure API / iterable type as of 4.0).

Commits
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965b5b5 [Console] Fix traversable autocomplete values

…kas, sroze)

This PR was merged into the 2.7 branch.

Discussion
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[HttpFoundation] Fix session-related BC break

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #24941, #24934, #24947 and #24946
| License       | MIT
| Doc PR        | -

Conservative fix.

Commits
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38186aa [HttpFoundation] Add test
3eaa188 [HttpFoundation] Fix session-related BC break

This PR was merged into the 2.7 branch.

Discussion
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[Form] fix method name

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Commits
-------

b862168 fix method name

released v2.7.37