Replaces AltSign cocoapod with Swift package

Podfile.lock

@@ -1,15 +1,4 @@
 PODS:
-  - AltSign (0.1):
-    - AltSign/CoreCrypto (= 0.1)
-    - AltSign/ldid (= 0.1)
-    - AltSign/minizip (= 0.1)
-    - AltSign/OpenSSL (= 0.1)
-    - AltSign/plist (= 0.1)
-  - AltSign/CoreCrypto (0.1)
-  - AltSign/ldid (0.1)
-  - AltSign/minizip (0.1)
-  - AltSign/OpenSSL (0.1)
-  - AltSign/plist (0.1)
   - AppCenter (3.1.0):
     - AppCenter/Analytics (= 3.1.0)
     - AppCenter/Crashes (= 3.1.0)
@@ -25,7 +14,6 @@ PODS:
   - STPrivilegedTask (1.0.7)
 
 DEPENDENCIES:
-  - AltSign (from `Dependencies/AltSign`)
   - AppCenter (~> 3.1.0)
   - KeychainAccess (~> 3.2.0)
   - Nuke (~> 7.0)
@@ -41,8 +29,6 @@ SPEC REPOS:
     - Sparkle
 
 EXTERNAL SOURCES:
-  AltSign:
-    :path: Dependencies/AltSign
   Roxas:
     :path: Dependencies/Roxas
   STPrivilegedTask:
@@ -54,7 +40,6 @@ CHECKOUT OPTIONS:
     :git: https://github.com/rileytestut/STPrivilegedTask.git
 
 SPEC CHECKSUMS:
-  AltSign: ef26f18415063a19d0778db512108e223199c85f
   AppCenter: a1c30c47b7882a04a615ffa5ab26c007326436d8
   KeychainAccess: 3b1bf8a77eb4c6ea1ce9404c292e48f948954c6b
   Nuke: 44130e95e09463f8773ae4b96b90de1eba6b3350
@@ -62,6 +47,6 @@ SPEC CHECKSUMS:
   Sparkle: 3f75576db8b0265adef36c43249d747f22d0b708
   STPrivilegedTask: 56c3397238a1ec07720fb877a044898373cd2c68
 
-PODFILE CHECKSUM: bd28424f8d9916505402972bc06c1925ce9f5026
+PODFILE CHECKSUM: 8e139db2a0c0a1d2f4affc7b615b6ca0720633ed
 
 COCOAPODS: 1.9.3