[GITEA] Remove SSH workaround

- Update github.com/gliderlabs/ssh to include 02f9d57300.
- Resolves https://codeberg.org/forgejo/forgejo/issues/1230

(cherry picked from commit 05a0fd8c9f)
(cherry picked from commit fcd68716a3)

Conflicts:
	go.mod
	https://codeberg.org/forgejo/forgejo/pulls/1581
(cherry picked from commit ff60267b91)
(cherry picked from commit cff3238a21)
(cherry picked from commit 93a3cc6bda)
(cherry picked from commit 213f1edbdc)
(cherry picked from commit c249b0b0aa)
(cherry picked from commit 43abe08aff)

modules/ssh/ssh.go

@@ -17,7 +17,6 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
-	"reflect"
 	"strconv"
 	"strings"
 	"sync"
@@ -165,10 +164,6 @@ func sessionHandler(session ssh.Session) {
 }
 
 func publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) bool {
-	// FIXME: the "ssh.Context" is not thread-safe, so db operations should use the immutable parent "Context"
-	// TODO: Remove after https://github.com/gliderlabs/ssh/pull/211
-	parentCtx := reflect.ValueOf(ctx).Elem().FieldByName("Context").Interface().(context.Context)
-
 	if log.IsDebug() { // <- FingerprintSHA256 is kinda expensive so only calculate it if necessary
 		log.Debug("Handle Public Key: Fingerprint: %s from %s", gossh.FingerprintSHA256(key), ctx.RemoteAddr())
 	}
@@ -200,7 +195,7 @@ func publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) bool {
 		// look for the exact principal
 	principalLoop:
 		for _, principal := range cert.ValidPrincipals {
-			pkey, err := asymkey_model.SearchPublicKeyByContentExact(parentCtx, principal)
+			pkey, err := asymkey_model.SearchPublicKeyByContentExact(ctx, principal)
 			if err != nil {
 				if asymkey_model.IsErrKeyNotExist(err) {
 					log.Debug("Principal Rejected: %s Unknown Principal: %s", ctx.RemoteAddr(), principal)
@@ -257,7 +252,7 @@ func publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) bool {
 		log.Debug("Handle Public Key: %s Fingerprint: %s is not a certificate", ctx.RemoteAddr(), gossh.FingerprintSHA256(key))
 	}
 
-	pkey, err := asymkey_model.SearchPublicKeyByContent(parentCtx, strings.TrimSpace(string(gossh.MarshalAuthorizedKey(key))))
+	pkey, err := asymkey_model.SearchPublicKeyByContent(ctx, strings.TrimSpace(string(gossh.MarshalAuthorizedKey(key))))
 	if err != nil {
 		if asymkey_model.IsErrKeyNotExist(err) {
 			log.Warn("Unknown public key: %s from %s", gossh.FingerprintSHA256(key), ctx.RemoteAddr())