Implemented date.parse and date.format procedures (#291)

Also added e2e tests for them.

Author: idoraban

e2e/date_test/test_format1/input.cyp

@@ -0,0 +1,6 @@
+query: >
+    CALL date.format(74976, "h", "%Y/%m/%d %H:%M:%S %Z", "Mexico/BajaNorte") YIELD formatted
+    RETURN formatted
+
+output:
+    - formatted: "1978/07/21 17:00:00 PDT"

e2e/date_test/test_format1/test.yml

@@ -0,0 +1,6 @@
+query: >
+    CALL date.format(74976002900, "ms", "%Y/%m/%d %H:%M:%S %Z", "Australia/Broken_Hill") YIELD formatted
+    RETURN formatted
+
+output:
+    - formatted: "1972/05/18 04:10:02 ACST"

e2e/date_test/test_format2/input.cyp

@@ -0,0 +1,6 @@
+query: >
+    CALL date.format(7491, "d", "%Y/%m/%d %H:%M:%S %z", "Brazil/DeNoronha") YIELD formatted
+    RETURN formatted
+
+output:
+    - formatted: "1990/07/05 22:00:00 -0200"

e2e/date_test/test_format2/test.yml

@@ -0,0 +1,6 @@
+query: >
+    CALL date.parse("2023/08/03 14:30:00", "h", "%Y/%m/%d %H:%M:%S", "Europe/Zagreb") YIELD parsed
+    RETURN parsed
+
+output:
+    - parsed: 469740

e2e/date_test/test_format3/input.cyp

@@ -0,0 +1,6 @@
+query: >
+    CALL date.parse("21 June, 2018", "d", "%d %B, %Y", "US/Samoa") YIELD parsed
+    RETURN parsed
+
+output:
+    - parsed: 17703