Update opam deps

Author: voodoos

dot-merlin-reader.opam

@@ -11,9 +11,9 @@ build: [
   ["dune" "build" "-p" name "-j" jobs]
 ]
 depends: [
-  "ocaml" {>= "4.08" & < "5.0"}
+  "ocaml" {>= "4.14"}
   "dune" {>= "2.9.0"}
-  "merlin-lib" {>= "4.9"}
+  "merlin-lib" {>= "4.17"}
   "ocamlfind" {>= "1.6.0"}
 ]
 description:

merlin.opam

@@ -14,7 +14,7 @@ depends: [
   "ocaml" {>= "4.14" & < "4.15"}
   "dune" {>= "2.9.0"}
   "merlin-lib" {= version}
-  "dot-merlin-reader" {>= "4.9"}
+  "dot-merlin-reader" {>= "4.17"}
   "yojson" {>= "2.0.0"}
   "conf-jq" {with-test}
   "ppxlib" {with-test}