deps: use upstream of MiniJinja with our merged PRs

implementing the wordcount and wordwrap filters
- also enable MiniJinja `stacker` feature for performance
- removed redundant minijinja-contrib time and time-tz features (covered by datetime and timezone), and add wordwrap and unicode_wordwrap features

Cargo.toml

@@ -146,15 +146,16 @@ minijinja = { version = "2", features = [
     "json",
     "loop_controls",
     "speedups",
+    "stacker",
     "urlencode",
 ] }
 minijinja-contrib = { version = "2", features = [
     "datetime",
     "pycompat",
     "rand",
-    "time",
-    "time-tz",
     "timezone",
+    "wordwrap",
+    "unicode_wordwrap",
 ] }
 mlua = { version = "0.10", features = [
     "luau",
@@ -313,6 +314,10 @@ grex = { git = "https://github.com/pemistahl/grex", rev = "bbf3064" }
 # use modernized version of local_encoding
 local-encoding = { git = "https://github.com/slonopotamus/local-encoding-rs", branch = "travis-madness" }
 
+# use upstream minijinja with our merged PRs
+minijinja = { git = "https://github.com/mitsuhiko/minijinja", rev = "4249fb3" }
+minijinja-contrib = { git = "https://github.com/mitsuhiko/minijinja", rev = "4249fb3" }
+
 # use our patched fork of sled to get rid of unmaintained instant
 sled = { git = "https://github.com/dathere/sled", branch = "v0.34.7-bumped-parking_lot_to_0.12" }