Granular webhook events (#9626)

* Initial work

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Add PR reviews and API coverage

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Split up events

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Add migration and locale

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Format

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Revert IsPull

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Fix comments

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Fix tests

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Fix PR reviews

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Fix issue_comment

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Make fmt

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Migrations

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Backwards compatible API

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Fix feishu

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Move session commit

Signed-off-by: jolheiser <john.olheiser@gmail.com>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: guillep2k <18600385+guillep2k@users.noreply.github.com>

modules/auth/repo_form.go

@@ -190,18 +190,27 @@ func (f *ProtectBranchForm) Validate(ctx *macaron.Context, errs binding.Errors)
 
 // WebhookForm form for changing web hook
 type WebhookForm struct {
-	Events       string
-	Create       bool
-	Delete       bool
-	Fork         bool
-	Issues       bool
-	IssueComment bool
-	Release      bool
-	Push         bool
-	PullRequest  bool
-	Repository   bool
-	Active       bool
-	BranchFilter string `binding:"GlobPattern"`
+	Events               string
+	Create               bool
+	Delete               bool
+	Fork                 bool
+	Issues               bool
+	IssueAssign          bool
+	IssueLabel           bool
+	IssueMilestone       bool
+	IssueComment         bool
+	Release              bool
+	Push                 bool
+	PullRequest          bool
+	PullRequestAssign    bool
+	PullRequestLabel     bool
+	PullRequestMilestone bool
+	PullRequestComment   bool
+	PullRequestReview    bool
+	PullRequestSync      bool
+	Repository           bool
+	Active               bool
+	BranchFilter         string `binding:"GlobPattern"`
 }
 
 // PushOnly if the hook will be triggered when push