various: add min_os (7)

Casks/b/bluebubbles.rb

@@ -13,6 +13,8 @@ cask "bluebubbles" do
     strategy :github_latest
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "BlueBubbles.app"
 
   uninstall launchctl:  "com.BlueBubbles.BlueBubbles-Server.ShipIt",

Casks/b/bluej.rb

@@ -19,6 +19,8 @@ cask "bluej" do
     end
   end
 
+  depends_on macos: ">= :sierra"
+
   app "BlueJ.app"
 
   zap trash: "~/Library/Preferences/org.bluej"

Casks/b/bluetility.rb

@@ -12,6 +12,8 @@ cask "bluetility" do
     strategy :github_latest
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "Bluetility.app"
 
   zap trash: [

Casks/b/bookwright.rb

@@ -14,6 +14,8 @@ cask "bookwright" do
     regex(/["']version["']:\s*?["']v?(\d+(?:\.\d+)+)["']/i)
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "BookWright.app"
 
   zap trash: [

Casks/b/bootstrap-studio.rb

@@ -16,6 +16,7 @@ cask "bootstrap-studio" do
   end
 
   auto_updates true
+  depends_on macos: ">= :high_sierra"
 
   app "Bootstrap Studio.app"
 

Casks/b/boxy-suite.rb

@@ -13,6 +13,8 @@ cask "boxy-suite" do
     regex(/Version\s+(\d+(?:\.\d+)+)/i)
   end
 
+  depends_on macos: ">= :high_sierra"
+
   app "Boxy for Gmail.app"
   app "Boxy for Calendar.app"
   app "Boxy for Keep.app"

Casks/b/brewlet.rb

@@ -12,6 +12,8 @@ cask "brewlet" do
     strategy :github_latest
   end
 
+  depends_on macos: ">= :mojave"
+
   app "Brewlet.app"
 
   zap trash: "~/Library/Preferences/zzada.Brewlet.plist"

Casks/b/bria.rb

@@ -20,6 +20,7 @@ cask "bria" do
   end
 
   auto_updates true
+  depends_on macos: ">= :big_sur"
 
   app "Bria.app"
 

Casks/b/browserosaurus.rb

@@ -11,6 +11,7 @@ cask "browserosaurus" do
   homepage "https://github.com/will-stone/browserosaurus"
 
   auto_updates true
+  depends_on macos: ">= :high_sierra"
 
   app "Browserosaurus.app"
 

Casks/b/bruno.rb

@@ -11,6 +11,8 @@ cask "bruno" do
   desc "Opensource IDE for exploring and testing api's"
   homepage "https://www.usebruno.com/"
 
+  depends_on macos: ">= :high_sierra"
+
   app "Bruno.app"
 
   zap trash: [